I just can't remember. I keep remembering Kareem's sky hook and how unstoppable it was. But you are right that every one of those all-world centers had those players around them. I don't think they gave the ball to Russel at the end of the game.
The real truth is that the game-winning shot at the end is a rare occurrence. The game is often decided long before the end of the game. It's rare that it comes down to the wire between two teams, but those are the most enjoyable ones to watch, and the players that come through are the ones called "clutch". I thought Iguodala showed some of that with those two shots against Houston, and I also thought that the Brand shot with 4 min. left was the clutch play of the game- why he got that big contract.
I'd like to find a way to do some research to see which plays have been the most successful for these teams in a must score situation. No matter who you have on your team, you go with what is most likely to work. With a guy like Iverson, you knew he was going to take the last shot, and IMO, that was a liability because they wouldn't give him the call like they did Mike. That made it easy to defend him. Kobe will get that call at the end, but would Andre? I don't think he has that status yet.
IMO, it still is the smart play to give the ball to Brand or Speights at the end for a must win shot. Until someone on the team shoots over 60% from the field, I want a high percentage inside shot. Now, If we had Larry Bird....